In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from DCA to KEF?

When flying from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Keflavik Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

Can I find deals for business class flights from Reagan-National to Keflavik Intl?

Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$389+ Flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport

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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.

Wed 12/319:10 amDCA - KEF

1 stop15h 55mMultiple Airlines

Sun 2/15:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/28

$879

Sun 12/286:50 pmDCA - KEF

1 stop30h 15mMultiple Airlines

Sun 2/15:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/28

$934

Mon 12/296:50 pmDCA - KEF

1 stop30h 15mMultiple Airlines

Mon 1/125:00 pmKEF - DCA

1 stop30h 49mMultiple Airlines

Deal found 12/29

$1,018

Mon 12/298:54 pmDCA - KEF

1 stop28h 11mMultiple Airlines

Wed 1/285:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/29

$1,086

Tue 12/304:45 pmDCA - KEF

1 stop8h 20mIcelandair

Tue 1/65:00 pmKEF - DCA

1 stop9h 45mIcelandair

Deal found 12/29

$1,339

Tue 12/302:00 pmDCA - KEF

1 stop11h 05mMultiple Airlines

Tue 1/65:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/29

$1,361

Sun 12/288:54 pmDCA - KEF

1 stop28h 11mMultiple Airlines

Wed 12/315:00 pmKEF - DCA

1 stop27h 49mMultiple Airlines

Deal found 12/28

$1,384

Wed 12/312:00 pmDCA - KEF

1 stop11h 05mMultiple Airlines

Sun 1/43:50 pmKEF - DCA

1 stop11h 56mMultiple Airlines

Deal found 12/28

$1,574

Wed 12/312:00 pmDCA - KEF

1 stop11h 05mMultiple Airlines

Sat 1/39:55 amKEF - DCA

1 stop16h 15mMultiple Airlines

Deal found 12/29

$1,597

Best flights from Reagan-National to Keflavik Intl
Discover carefully curated flight deals from Reagan-National to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

Mon 2/1611:06 amDCA - KEF

2 stops24h 44mScandinavian Airlines

Mon 3/23:40 pmKEF - DCA

2 stops35h 32mScandinavian Airlines

Deal found 12/27

$592

Sat 1/3112:20 pmDCA - KEF

1 stop12h 45mMultiple Airlines

Sat 2/74:50 pmKEF - DCA

1 stop10h 57mMultiple Airlines

Deal found 12/27

$613

Thu 2/1911:06 amDCA - KEF

2 stops31h 14mScandinavian Airlines

Tue 2/245:35 pmKEF - DCA

2 stops33h 37mScandinavian Airlines

Deal found 12/28

$592

Wed 1/2811:55 amDCA - KEF

1 stop13h 10mMultiple Airlines

Mon 2/25:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/29

$613

Tue 2/1711:06 amDCA - KEF

2 stops18h 39mScandinavian Airlines

Tue 2/243:40 pmKEF - DCA

2 stops35h 32mScandinavian Airlines

Deal found 12/28

$592

Wed 1/213:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Sun 1/255:00 pmKEF - DCA

1 stop21h 51mMultiple Airlines

Deal found 12/29

$624

Fri 1/3011:10 amDCA - KEF

2 stops18h 30mScandinavian Airlines

Mon 2/23:40 pmKEF - DCA

2 stops36h 08mScandinavian Airlines

Deal found 12/28

$592

Sat 1/103:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Fri 1/165:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/28

$640

Sun 3/17:00 amDCA - KEF

1 stop18h 05mMultiple Airlines

Thu 3/59:55 amKEF - DCA

1 stop10h 03mMultiple Airlines

Deal found 12/27

$641

Fri 1/3010:25 amDCA - KEF

2 stops19h 15mScandinavian Airlines

Tue 2/37:35 amKEF - DCA

2 stops20h 13mScandinavian Airlines

Deal found 12/28

$644

Wed 2/411:11 amDCA - KEF

2 stops18h 34mScandinavian Airlines

Wed 2/117:35 amKEF - DCA

2 stops20h 13mScandinavian Airlines

Deal found 12/28

$682

Last-minute flights from Reagan-National to Keflavik Intl
Discover last-minute flight deals from Reagan-National to Keflavik Intl. Data last updated December 30, 2025 and is based on user searches.

Wed 1/73:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Wed 1/145:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/28

$650

Sat 1/103:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Fri 1/165:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/29

$637

Wed 1/213:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Sun 1/255:00 pmKEF - DCA

1 stop21h 51mMultiple Airlines

Deal found 12/29

$624

Thu 1/2211:55 amDCA - KEF

1 stop13h 10mMultiple Airlines

Sun 1/255:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/28

$613

Sun 1/2511:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Sun 2/14:15 pmKEF - DCA

2 stops35h 43mScandinavian Airlines

Deal found 12/28

$652

Wed 1/2811:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Mon 2/23:40 pmKEF - DCA

2 stops36h 08mScandinavian Airlines

Deal found 12/29

$592

Thu 1/2910:05 amDCA - KEF

1 stop15h 00mMultiple Airlines

Sun 2/15:00 pmKEF - DCA

1 stop21h 51mMultiple Airlines

Deal found 12/28

$627

Fri 1/3011:55 amDCA - KEF

1 stop13h 10mMultiple Airlines

Tue 2/34:50 pmKEF - DCA

1 stop11h 09mMultiple Airlines

Deal found 12/28

$621

Fri 1/3011:10 amDCA - KEF

2 stops18h 30mScandinavian Airlines

Thu 2/511:30 amKEF - DCA

2 stops40h 18mScandinavian Airlines

Deal found 12/28

$622

Fri 1/3010:25 amDCA - KEF

2 stops19h 15mScandinavian Airlines

Tue 2/37:35 amKEF - DCA

2 stops20h 13mScandinavian Airlines

Deal found 12/28

$644

One-way flights from Reagan-National to Keflavik Intl
Search for one-way flight options from Reagan-National to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated December 30, 2025.

Tue 3/246:00 amDCA - KEF

2 stops27h 05mMultiple Airlines

Deal found 12/28

$389

Mon 2/94:15 pmDCA - KEF

2 stops39h 50mMultiple Airlines

Deal found 12/29

$391

Mon 3/24:15 pmDCA - KEF

2 stops39h 50mMultiple Airlines

Deal found 12/28

$403

Mon 1/2611:10 amDCA - KEF

2 stops23h 15mScandinavian Airlines

Deal found 12/28

$404

Mon 1/1211:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Deal found 12/28

$410

Wed 1/1410:05 amDCA - KEF

1 stop15h 00mMultiple Airlines

Deal found 12/28

$427

Mon 1/267:00 amDCA - KEF

1 stop18h 05mMultiple Airlines

Deal found 12/28

$428

Sun 3/221:00 pmDCA - KEF

2 stops45h 15mLufthansa

Deal found 12/28

$436

Thu 3/1210:05 amDCA - KEF

1 stop16h 00mMultiple Airlines

Deal found 12/27

$449

Sun 3/87:00 amDCA - KEF

1 stop10h 45mMultiple Airlines

Deal found 12/28

$476

Tue 1/63:25 pmDCA - KEF

1 stop9h 40mIcelandair

Deal found 12/29

$478

Find flight deals from Reagan-National to Keflavik Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$538 (Delta)
One-way from	$389 (Mytrip)
Popular in	December
Cheapest in	October
Average price	$699

Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.

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From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl

Search Deals

One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 2/16

11:06 am-4:50 pm

2 stops24h 44m

Reykjavik Keflavik Intl

Mon 3/2

3:40 pm-10:12 pm

2 stops35h 32m

$592

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 2/19

11:06 am-11:20 pm

2 stops31h 14m

Reykjavik Keflavik Intl

Tue 2/24

5:35 pm-10:12 pm

2 stops33h 37m

$592

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 2/17

11:06 am-10:45 am

2 stops18h 39m

Reykjavik Keflavik Intl

Tue 2/24

3:40 pm-10:12 pm

2 stops35h 32m

$592

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 1/30

11:10 am-10:40 am

2 stops18h 30m

Reykjavik Keflavik Intl

Mon 2/2

3:40 pm-10:48 pm

2 stops36h 08m

$592

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 1/31

12:20 pm-6:05 am

1 stop12h 45m

Reykjavik Keflavik Intl

Sat 2/7

4:50 pm-10:47 pm

1 stop10h 57m

$613

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 1/28

11:55 am-6:05 am

1 stop13h 10m

Reykjavik Keflavik Intl

Mon 2/2

5:00 pm-9:45 pm

1 stop9h 45m

$613

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 1/21

3:25 pm-6:05 am

1 stop9h 40m

Reykjavik Keflavik Intl

Sun 1/25

5:00 pm-9:51 am

1 stop21h 51m

$624

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 1/10

3:25 pm-6:05 am

1 stop9h 40m

Reykjavik Keflavik Intl

Fri 1/16

5:00 pm-9:45 pm

1 stop9h 45m

$640

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 3/1

7:00 am-6:05 am

1 stop18h 05m

Reykjavik Keflavik Intl

Thu 3/5

9:55 am-2:58 pm

1 stop10h 03m

$641

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 1/30

10:25 am-10:40 am

2 stops19h 15m

Reykjavik Keflavik Intl

Tue 2/3

7:35 am-10:48 pm

2 stops20h 13m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 21 results

Compare providers for flights from Reagan-National to Keflavik Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?
Airlines like Scandinavian Airlines fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 24h 44m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi.
Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.
Can I find deals for business class flights from Reagan-National to Keflavik Intl?
Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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$389+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Keflavik Intl with Cheapflights

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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik IntlExplore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.

Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.

Find flight deals from Reagan-National to Keflavik Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in December.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

How can I find direct flights from Reagan-National to Keflavik Intl?

Can I find deals for business class flights from Reagan-National to Keflavik Intl?

Traveling to a place near Reykjavik Keflavik Intl Airport?

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Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.